Question: Who did Anna of Russia marry on 1710-11-11?
Paraphrase: When Anna of Russia got married on 11-11-1710, who was her groom?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q160165 p:P26 ?s . ?s ps:P26 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1710')) }